Who can offer me the best medicine to cure Epididymitis? My father has gained this disease, I wnat to help him?

I am very woried about my fahter , he is 50 years old now , but he feels very pain when he is walking or standing , so I take him to see the doctor ! Bad luck! He has been diagnosed with Epididymitis, it is a very frustrating thing for me! My father has done so many good things for the society,why the bag things always happen to good guys?? I am seeking the best drugs for him, who can help me?